class java.util.Collections$SynchronizedMap<K, V> implements java.util.Map<K, V>, java.io.Serializable
minor version: 0
major version: 59
flags: flags: (0x0020) ACC_SUPER
this_class: java.util.Collections$SynchronizedMap
super_class: java.lang.Object
{
private static final long serialVersionUID;
descriptor: J
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: 1978198479659022715
private final java.util.Map<K, V> m;
descriptor: Ljava/util/Map;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
Signature: Ljava/util/Map<TK;TV;>;
final java.lang.Object mutex;
descriptor: Ljava/lang/Object;
flags: (0x0010) ACC_FINAL
private transient java.util.Set<K> keySet;
descriptor: Ljava/util/Set;
flags: (0x0082) ACC_PRIVATE, ACC_TRANSIENT
Signature: Ljava/util/Set<TK;>;
private transient java.util.Set<java.util.Map$Entry<K, V>> entrySet;
descriptor: Ljava/util/Set;
flags: (0x0082) ACC_PRIVATE, ACC_TRANSIENT
Signature: Ljava/util/Set<Ljava/util/Map$Entry<TK;TV;>;>;
private transient java.util.Collection<V> values;
descriptor: Ljava/util/Collection;
flags: (0x0082) ACC_PRIVATE, ACC_TRANSIENT
Signature: Ljava/util/Collection<TV;>;
void <init>(java.util.Map<K, V>);
descriptor: (Ljava/util/Map;)V
flags: (0x0000)
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: aload 0
invokespecial java.lang.Object.<init>:()V
1: aload 0
aconst_null
putfield java.util.Collections$SynchronizedMap.keySet:Ljava/util/Set;
2: aload 0
aconst_null
putfield java.util.Collections$SynchronizedMap.entrySet:Ljava/util/Set;
3: aload 0
aconst_null
putfield java.util.Collections$SynchronizedMap.values:Ljava/util/Collection;
4: aload 1
ifnonnull 6
5: new java.lang.NullPointerException
dup
invokespecial java.lang.NullPointerException.<init>:()V
athrow
6: StackMap locals: java.util.Collections$SynchronizedMap java.util.Map
StackMap stack:
aload 0
aload 1
putfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
7: aload 0
aload 0
putfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
8: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 9 0 this Ljava/util/Collections$SynchronizedMap<TK;TV;>;
0 9 1 m Ljava/util/Map<TK;TV;>;
Signature: (Ljava/util/Map<TK;TV;>;)V
MethodParameters:
Name Flags
m
void <init>(java.util.Map<K, V>, );
descriptor: (Ljava/util/Map;Ljava/lang/Object;)V
flags: (0x0000)
Code:
stack=2, locals=3, args_size=3
start local 0 start local 1 start local 2 0: aload 0
invokespecial java.lang.Object.<init>:()V
1: aload 0
aconst_null
putfield java.util.Collections$SynchronizedMap.keySet:Ljava/util/Set;
2: aload 0
aconst_null
putfield java.util.Collections$SynchronizedMap.entrySet:Ljava/util/Set;
3: aload 0
aconst_null
putfield java.util.Collections$SynchronizedMap.values:Ljava/util/Collection;
4: aload 0
aload 1
putfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
5: aload 0
aload 2
putfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
6: return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 7 0 this Ljava/util/Collections$SynchronizedMap<TK;TV;>;
0 7 1 m Ljava/util/Map<TK;TV;>;
0 7 2 mutex Ljava/lang/Object;
Signature: (Ljava/util/Map<TK;TV;>;Ljava/lang/Object;)V
MethodParameters:
Name Flags
m
mutex
public int size();
descriptor: ()I
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=2, args_size=1
start local 0 0: aload 0
getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
dup
astore 1
monitorenter
1: aload 0
getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
invokeinterface java.util.Map.size:()I
aload 1
monitorexit
2: ireturn
StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object
StackMap stack: java.lang.Throwable
3: aload 1
monitorexit
4: athrow
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Ljava/util/Collections$SynchronizedMap<TK;TV;>;
Exception table:
from to target type
1 2 3 any
3 4 3 any
public boolean isEmpty();
descriptor: ()Z
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=2, args_size=1
start local 0 0: aload 0
getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
dup
astore 1
monitorenter
1: aload 0
getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
invokeinterface java.util.Map.isEmpty:()Z
aload 1
monitorexit
2: ireturn
StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object
StackMap stack: java.lang.Throwable
3: aload 1
monitorexit
4: athrow
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Ljava/util/Collections$SynchronizedMap<TK;TV;>;
Exception table:
from to target type
1 2 3 any
3 4 3 any
public boolean containsKey(java.lang.Object);
descriptor: (Ljava/lang/Object;)Z
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=3, args_size=2
start local 0 start local 1 0: aload 0
getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
dup
astore 2
monitorenter
1: aload 0
getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
aload 1
invokeinterface java.util.Map.containsKey:(Ljava/lang/Object;)Z
aload 2
monitorexit
2: ireturn
StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object java.lang.Object
StackMap stack: java.lang.Throwable
3: aload 2
monitorexit
4: athrow
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Ljava/util/Collections$SynchronizedMap<TK;TV;>;
0 5 1 key Ljava/lang/Object;
Exception table:
from to target type
1 2 3 any
3 4 3 any
MethodParameters:
Name Flags
key
public boolean containsValue(java.lang.Object);
descriptor: (Ljava/lang/Object;)Z
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=3, args_size=2
start local 0 start local 1 0: aload 0
getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
dup
astore 2
monitorenter
1: aload 0
getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
aload 1
invokeinterface java.util.Map.containsValue:(Ljava/lang/Object;)Z
aload 2
monitorexit
2: ireturn
StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object java.lang.Object
StackMap stack: java.lang.Throwable
3: aload 2
monitorexit
4: athrow
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Ljava/util/Collections$SynchronizedMap<TK;TV;>;
0 5 1 value Ljava/lang/Object;
Exception table:
from to target type
1 2 3 any
3 4 3 any
MethodParameters:
Name Flags
value
public V get();
descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=3, args_size=2
start local 0 start local 1 0: aload 0
getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
dup
astore 2
monitorenter
1: aload 0
getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
aload 1
invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
aload 2
monitorexit
2: areturn
StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object java.lang.Object
StackMap stack: java.lang.Throwable
3: aload 2
monitorexit
4: athrow
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Ljava/util/Collections$SynchronizedMap<TK;TV;>;
0 5 1 key Ljava/lang/Object;
Exception table:
from to target type
1 2 3 any
3 4 3 any
Signature: (Ljava/lang/Object;)TV;
MethodParameters:
Name Flags
key
public V put(K, );
descriptor: (Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=4, args_size=3
start local 0 start local 1 start local 2 0: aload 0
getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
dup
astore 3
monitorenter
1: aload 0
getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
aload 1
aload 2
invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
aload 3
monitorexit
2: areturn
StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object java.lang.Object java.lang.Object
StackMap stack: java.lang.Throwable
3: aload 3
monitorexit
4: athrow
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Ljava/util/Collections$SynchronizedMap<TK;TV;>;
0 5 1 key TK;
0 5 2 value TV;
Exception table:
from to target type
1 2 3 any
3 4 3 any
Signature: (TK;TV;)TV;
MethodParameters:
Name Flags
key
value
public V remove();
descriptor: (Ljava/lang/Object;)Ljava/lang/Object;
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=3, args_size=2
start local 0 start local 1 0: aload 0
getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
dup
astore 2
monitorenter
1: aload 0
getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
aload 1
invokeinterface java.util.Map.remove:(Ljava/lang/Object;)Ljava/lang/Object;
aload 2
monitorexit
2: areturn
StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object java.lang.Object
StackMap stack: java.lang.Throwable
3: aload 2
monitorexit
4: athrow
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Ljava/util/Collections$SynchronizedMap<TK;TV;>;
0 5 1 key Ljava/lang/Object;
Exception table:
from to target type
1 2 3 any
3 4 3 any
Signature: (Ljava/lang/Object;)TV;
MethodParameters:
Name Flags
key
public void putAll(java.util.Map<? extends K, ? extends V>);
descriptor: (Ljava/util/Map;)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=3, args_size=2
start local 0 start local 1 0: aload 0
getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
dup
astore 2
monitorenter
1: aload 0
getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
aload 1
invokeinterface java.util.Map.putAll:(Ljava/util/Map;)V
aload 2
monitorexit
2: goto 5
StackMap locals: java.util.Collections$SynchronizedMap java.util.Map java.lang.Object
StackMap stack: java.lang.Throwable
3: aload 2
monitorexit
4: athrow
5: StackMap locals:
StackMap stack:
return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 6 0 this Ljava/util/Collections$SynchronizedMap<TK;TV;>;
0 6 1 map Ljava/util/Map<+TK;+TV;>;
Exception table:
from to target type
1 2 3 any
3 4 3 any
Signature: (Ljava/util/Map<+TK;+TV;>;)V
MethodParameters:
Name Flags
map
public void clear();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=2, args_size=1
start local 0 0: aload 0
getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
dup
astore 1
monitorenter
1: aload 0
getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
invokeinterface java.util.Map.clear:()V
aload 1
monitorexit
2: goto 5
StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object
StackMap stack: java.lang.Throwable
3: aload 1
monitorexit
4: athrow
5: StackMap locals:
StackMap stack:
return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 6 0 this Ljava/util/Collections$SynchronizedMap<TK;TV;>;
Exception table:
from to target type
1 2 3 any
3 4 3 any
public java.util.Set<K> keySet();
descriptor: ()Ljava/util/Set;
flags: (0x0001) ACC_PUBLIC
Code:
stack=5, locals=2, args_size=1
start local 0 0: aload 0
getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
dup
astore 1
monitorenter
1: aload 0
getfield java.util.Collections$SynchronizedMap.keySet:Ljava/util/Set;
ifnonnull 3
2: aload 0
new java.util.Collections$SynchronizedSet
dup
aload 0
getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
invokeinterface java.util.Map.keySet:()Ljava/util/Set;
aload 0
getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
invokespecial java.util.Collections$SynchronizedSet.<init>:(Ljava/util/Set;Ljava/lang/Object;)V
putfield java.util.Collections$SynchronizedMap.keySet:Ljava/util/Set;
3: StackMap locals: java.lang.Object
StackMap stack:
aload 0
getfield java.util.Collections$SynchronizedMap.keySet:Ljava/util/Set;
aload 1
monitorexit
4: areturn
5: StackMap locals:
StackMap stack: java.lang.Throwable
aload 1
monitorexit
6: athrow
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 7 0 this Ljava/util/Collections$SynchronizedMap<TK;TV;>;
Exception table:
from to target type
1 4 5 any
5 6 5 any
Signature: ()Ljava/util/Set<TK;>;
public java.util.Set<java.util.Map$Entry<K, V>> entrySet();
descriptor: ()Ljava/util/Set;
flags: (0x0001) ACC_PUBLIC
Code:
stack=5, locals=2, args_size=1
start local 0 0: aload 0
getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
dup
astore 1
monitorenter
1: aload 0
getfield java.util.Collections$SynchronizedMap.entrySet:Ljava/util/Set;
ifnonnull 3
2: aload 0
new java.util.Collections$SynchronizedSet
dup
aload 0
getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
invokeinterface java.util.Map.entrySet:()Ljava/util/Set;
aload 0
getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
invokespecial java.util.Collections$SynchronizedSet.<init>:(Ljava/util/Set;Ljava/lang/Object;)V
putfield java.util.Collections$SynchronizedMap.entrySet:Ljava/util/Set;
3: StackMap locals: java.lang.Object
StackMap stack:
aload 0
getfield java.util.Collections$SynchronizedMap.entrySet:Ljava/util/Set;
aload 1
monitorexit
4: areturn
5: StackMap locals:
StackMap stack: java.lang.Throwable
aload 1
monitorexit
6: athrow
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 7 0 this Ljava/util/Collections$SynchronizedMap<TK;TV;>;
Exception table:
from to target type
1 4 5 any
5 6 5 any
Signature: ()Ljava/util/Set<Ljava/util/Map$Entry<TK;TV;>;>;
public java.util.Collection<V> values();
descriptor: ()Ljava/util/Collection;
flags: (0x0001) ACC_PUBLIC
Code:
stack=5, locals=2, args_size=1
start local 0 0: aload 0
getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
dup
astore 1
monitorenter
1: aload 0
getfield java.util.Collections$SynchronizedMap.values:Ljava/util/Collection;
ifnonnull 3
2: aload 0
new java.util.Collections$SynchronizedCollection
dup
aload 0
getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
invokeinterface java.util.Map.values:()Ljava/util/Collection;
aload 0
getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
invokespecial java.util.Collections$SynchronizedCollection.<init>:(Ljava/util/Collection;Ljava/lang/Object;)V
putfield java.util.Collections$SynchronizedMap.values:Ljava/util/Collection;
3: StackMap locals: java.lang.Object
StackMap stack:
aload 0
getfield java.util.Collections$SynchronizedMap.values:Ljava/util/Collection;
aload 1
monitorexit
4: areturn
5: StackMap locals:
StackMap stack: java.lang.Throwable
aload 1
monitorexit
6: athrow
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 7 0 this Ljava/util/Collections$SynchronizedMap<TK;TV;>;
Exception table:
from to target type
1 4 5 any
5 6 5 any
Signature: ()Ljava/util/Collection<TV;>;
public boolean equals(java.lang.Object);
descriptor: (Ljava/lang/Object;)Z
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=3, args_size=2
start local 0 start local 1 0: aload 0
getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
dup
astore 2
monitorenter
1: aload 0
getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
aload 1
invokeinterface java.util.Map.equals:(Ljava/lang/Object;)Z
aload 2
monitorexit
2: ireturn
StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object java.lang.Object
StackMap stack: java.lang.Throwable
3: aload 2
monitorexit
4: athrow
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Ljava/util/Collections$SynchronizedMap<TK;TV;>;
0 5 1 o Ljava/lang/Object;
Exception table:
from to target type
1 2 3 any
3 4 3 any
MethodParameters:
Name Flags
o
public int hashCode();
descriptor: ()I
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=2, args_size=1
start local 0 0: aload 0
getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
dup
astore 1
monitorenter
1: aload 0
getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
invokeinterface java.util.Map.hashCode:()I
aload 1
monitorexit
2: ireturn
StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object
StackMap stack: java.lang.Throwable
3: aload 1
monitorexit
4: athrow
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Ljava/util/Collections$SynchronizedMap<TK;TV;>;
Exception table:
from to target type
1 2 3 any
3 4 3 any
public java.lang.String toString();
descriptor: ()Ljava/lang/String;
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=2, args_size=1
start local 0 0: aload 0
getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
dup
astore 1
monitorenter
1: aload 0
getfield java.util.Collections$SynchronizedMap.m:Ljava/util/Map;
invokevirtual java.lang.Object.toString:()Ljava/lang/String;
aload 1
monitorexit
2: areturn
StackMap locals: java.util.Collections$SynchronizedMap java.lang.Object
StackMap stack: java.lang.Throwable
3: aload 1
monitorexit
4: athrow
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Ljava/util/Collections$SynchronizedMap<TK;TV;>;
Exception table:
from to target type
1 2 3 any
3 4 3 any
private void writeObject(java.io.ObjectOutputStream);
descriptor: (Ljava/io/ObjectOutputStream;)V
flags: (0x0002) ACC_PRIVATE
Code:
stack=2, locals=3, args_size=2
start local 0 start local 1 0: aload 0
getfield java.util.Collections$SynchronizedMap.mutex:Ljava/lang/Object;
dup
astore 2
monitorenter
1: aload 1
invokevirtual java.io.ObjectOutputStream.defaultWriteObject:()V
aload 2
monitorexit
2: goto 5
StackMap locals: java.util.Collections$SynchronizedMap java.io.ObjectOutputStream java.lang.Object
StackMap stack: java.lang.Throwable
3: aload 2
monitorexit
4: athrow
5: StackMap locals:
StackMap stack:
return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 6 0 this Ljava/util/Collections$SynchronizedMap<TK;TV;>;
0 6 1 s Ljava/io/ObjectOutputStream;
Exception table:
from to target type
1 2 3 any
3 4 3 any
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
s
}
Signature: <K:Ljava/lang/Object;V:Ljava/lang/Object;>Ljava/lang/Object;Ljava/util/Map<TK;TV;>;Ljava/io/Serializable;
SourceFile: "Collections.java"
NestHost: java.util.Collections
InnerClasses:
SynchronizedCollection = java.util.Collections$SynchronizedCollection of java.util.Collections
private SynchronizedMap = java.util.Collections$SynchronizedMap of java.util.Collections
SynchronizedSet = java.util.Collections$SynchronizedSet of java.util.Collections
public abstract Entry = java.util.Map$Entry of java.util.Map